Echo CS-310 Operator's Manual page 53

CS-310
ENGINE PROBLEM TROUBLESHOOTING CHART
Problem Check
Air filter
Fuel filter
Fuel vent
Engine
runs, but
dies
Spark plug
or
Carburetor
Engine
does not
accelerate
Cooling
properly
system
Spark
arrestor
screen
Engine
does not
crank
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Status
Air filter
Normal wear
dirty
Fuel filter Contaminants or
dirty residue in fuel
Fuel vent Contaminated
plugged fuel
Plug dirty
Normal wear
or worn
Improper
adjustment Vibration
Cooling Extended
system operation in dirty
dirty or or dusty
plugged locations
Spark
arrestor
Normal wear
screen
plugged
Internal engine
N/A
problem
TROUBLESHOOTING
Cause
Clean or replace
Replace filter or
replace fuel
Clean or replace
Clean and adjust
or replace
Adjust
Clean
Replace
See your dealer
Remedy
53